1031211202313 has 16 divisors (see below), whose sum is σ = 1120387002624. Its totient is φ = 945399624960.

The previous prime is 1031211202277. The next prime is 1031211202339. The reversal of 1031211202313 is 3132021121301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1031211202313 - 2¹⁶ = 1031211136777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031211202363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2889770 + ... + 3226947.

It is an arithmetic number, because the mean of its divisors is an integer number (70024187664).

Almost surely, 2^{1031211202313} is an apocalyptic number.

It is an amenable number.

1031211202313 is a deficient number, since it is larger than the sum of its proper divisors (89175800311).

1031211202313 is a wasteful number, since it uses less digits than its factorization.

1031211202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116992.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1031211202313 its reverse (3132021121301), we get a palindrome (4163232323614).

The spelling of 1031211202313 in words is "one trillion, thirty-one billion, two hundred eleven million, two hundred two thousand, three hundred thirteen".